Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| APM B+ | U182A* | U182A* | - | - |
| APM Wake Up Signal | U182A, B137B* | U182A* | U189A* | - |
| APM Powertrain Serial Data (+) | U0074* | U0074* | U0074* | - |
| APM Powertrain Serial Data (+) | U0074* | U0074* | U0074* | - |
| PIM B+ | U1829* | U1829* | - | - |
| PIM Ignition | P2534* | P2534* | U209A*, B1453 | - |
| PIM Wake Up Signal | B137A* | U1829* | U189A* | - |
| PIM Powertrain Serial Data (+) | U0074* | U0074* | U0074* | - |
| PIM Powertrain Serial Data (-) | U0074* | U0074* | U0074* | - |
| * Other modules/DTCs will set with this fault. | ||||